✔ Relieves back pain caused by tight muscles, faulty posture and poor spinal alignment. ✔ Magic back stretcher is quite helpful in relieve chronic back pain, spinal tension, correct postural imbalance and restore natural curvature. It is effective in treating pain from muscle spasms, pinched nerves, herniated discs, sciatica, degeneration, tight knots, excessive flexion and more. ✔ Convenient and easy-to-use preventative care and treatment device. ✔ Increase range of motion and flexibilty. ✔ Mat